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Riff, Douglas; Kellner, Alexander W. A.; Mader, Bryn & Russell, Dale (2002): On the occurrence of an avian vertebra in Cretaceous strata of Morocco, Africa. Anais da Academia Brasileira de Ciências74(2): 367-368. doi:10.1590/S0001-37652002000200023PDF fulltext (页面存档备份,存于互联网档案馆)
Holtz, Thomas R. Jr. (2008) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All AgesSupplementary Information (页面存档备份,存于互联网档案馆)
web.archive.org
Holtz, Thomas R. Jr. (2008) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All AgesSupplementary Information (页面存档备份,存于互联网档案馆)
Riff, Douglas; Kellner, Alexander W. A.; Mader, Bryn & Russell, Dale (2002): On the occurrence of an avian vertebra in Cretaceous strata of Morocco, Africa. Anais da Academia Brasileira de Ciências74(2): 367-368. doi:10.1590/S0001-37652002000200023PDF fulltext (页面存档备份,存于互联网档案馆)